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在液壓(ya)系統中,常見(jian)的密(mi)(mi)封(feng)形(xing)(xing)式有擠壓(ya)型O形(xing)(xing)密(mi)(mi)封(feng)圈、Y形(xing)(xing)圈、V形(xing)(xing)圈、U形(xing)(xing)圈唇(chun)形(xing)(xing)密(mi)(mi)封(feng)。唇(chun)形(xing)(xing)密(mi)(mi)封(feng)圈主要(yao)用于往(wang)復動密(mi)(mi)封(feng),與O形(xing)(xing)圈等擠壓(ya)密(mi)(mi)封(feng)相(xiang)比,往(wang)復動密(mi)(mi)封(feng)使用唇(chun)形(xing)(xing)密(mi)(mi)封(feng)圈具...